New with tags! Herm Sprenger Chrome Plated Training Prong Collar w/ Quick Release 2.25 mm 16" All Herm Sprenger pinch collars come in a standard length which is adjusted to fit the neck of the dog by removing or adding links. The size of this particular pinch collar is 16 inches (41 cm) with prong's diameter - 1/11 inches (2.25 mm). Ideal for dogs with 14 inch (36 cm) neck size. Made in Germany